The common similarity when the four modernizations were initiated by both administrations of Mikhail Gorbachev and Deng Xiaoping was that both adopted elements of capitalism. As we all know, both these nations are communist in nature, however, both leaders became open-minded in inhibiting the ideas of capitalism from the West.
This type of voting is called single party voting or univote.
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B......... there's not much information to go on
Answer:
His televised debates with Richard M. Nixon.